Jack Jones, the materials manager at Precision Enterprises, is beginning to look for ways to reduce inventories. A recent accounting statement shows that the inventory investment for raw materials is $3,485,600, for work-in-process is $6,334,000, and for finished goods is $2,878,000. This year's cost of goods sold will be about $38,220,000. Assume that there are 52 business weeks per year. a. Express total inventory as weeks of supply. The weeks of supply is weeks. (Enter your response rounded to one decimal place.)